Endo vs. Exo Reactions Intro Practice

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases heat to its surroundings.

Front

What happens to heat in an endothermic reaction?

Back

In an endothermic reaction, heat is absorbed from the surroundings.

Front

Give an example of an exothermic reaction.

Back

Burning a candle is an example of an exothermic reaction.

Front

What is the main characteristic of an endothermic reaction?

Back

The main characteristic of an endothermic reaction is that it absorbs energy, usually in the form of heat.

Front

In an exothermic reaction, what happens to the temperature of the surroundings?

Back

The temperature of the surroundings increases because heat is released.

Front

In an endothermic reaction, what happens to the temperature of the surroundings?

Back

The temperature of the surroundings decreases because heat is absorbed.

Front

What is the term for a reaction that absorbs heat?

Back

Endothermic reaction.

Front

What is the term for a reaction that releases heat?

Back

Exothermic reaction.

Front

Is the elephant toothpaste reaction exothermic or endothermic?

Back

The elephant toothpaste reaction is an exothermic reaction.

Front

True or False: In an endothermic reaction, the system is releasing energy.

Back

False. In an endothermic reaction, the system is absorbing energy.